Add Thomas and Patrick to the lists of maintainers

Change-Id: I8e13843fd90eb38ee553ec81818e49ad53225715
diff --git a/tools/maven/gerrit-extension-api_pom.xml b/tools/maven/gerrit-extension-api_pom.xml
index ba35ca2..34def36 100644
--- a/tools/maven/gerrit-extension-api_pom.xml
+++ b/tools/maven/gerrit-extension-api_pom.xml
@@ -77,6 +77,9 @@
       <name>Patrick Hiesel</name>
     </developer>
     <developer>
+      <name>Patrick Mulhall</name>
+    </developer>
+    <developer>
       <name>Saša Živkov</name>
     </developer>
     <developer>
@@ -85,6 +88,9 @@
     <developer>
       <name>Tao Zhou</name>
     </developer>
+    <developer>
+      <name>Thomas Dräbing</name>
+    </developer>
   </developers>
 
   <mailingLists>